today just a few hours before the debate started. romney did his debate prep in denver. when go to 5,000 feet and you only have a few hours to adjust, i don't know. maybe -- >> bret: so again, the former vice president said it was the amount do you do. bob woodward, who published a behind the scenes book about president obama has another theory. >> something happened. maybe in foreign affairs, they got some intelligence report or something -- who knows? but i think as the onion gets peeled on this, we'll find that something happened in his presidential or personal life that distracted him. >> bret: just a look back, you may remember president obama cracked one liners at the white house correspondence dinner right after giving the green light for the osama bin laden raid. >>> the air traffic controllers union and the denver airport control tower may have some communication issues as governor romney's plane was preparing to go wheels up from denver this morning. the pilot announced on the speakers that the air traffic controllers in the tower were congratulating the govern